Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,598,109",
      "signature": "0xad23cd32d8dd47e3ef70d3c42b91df019504c2777fa741b78023a363424837b86f7eb3720fcc70256681375415a5693c",
      "randomness": "0xac3a0626d3802a8c60d781c16f49743d37d66fe731096453e4c4495e4ffea819"
    }
  ],
  "blockNumber": "7,419,844"
}

{
  "Sr25519": "0xd08af241c1a73ebb6b9003bf30916b758825576551114dcea37d04b0f3ff3623ec029d13ed9929deb25a5ccb577e2e272a9f144fbfcaeccbd84bbcc7c156e489"
}